Roger Ching-Feng Yang, M.D.
Emergency Medicine Physician · Pasadena, CA
Roger Ching-Feng Yang, M.D. is an emergency medicine physician with a practice address in Pasadena, California, and NPI 1295849883, issued on Aug 19, 2006. Check the license (California A64345, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roger Ching-Feng Yang
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A64345 CA
Self-reported in NPPES; status is on the state search - Practice location
- 100 W California Blvd, Pasadena, CA 91105
- Phone
- (626) 397-3445
- Enumerated
- Aug 19, 2006
- Record last updated
- Jun 5, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (626) 397-5643
- Medicaid ID
- 00A643450 CA
- Medicare enrollment
- Enrolled (PECOS I20111104000582); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 100 W California Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Devan Abhari, MDStudent in an Organized Health Care Education/Training Program1922849041
- Lina Acopians, DOHospitalist Physician1548821523
- Daniel Adran, MDNeuroradiology Physician1518456441
- Alipasha Adrangui, M.D.Hospitalist Physician1780911263
- Vahe Aghajanyan, M.D.Student in an Organized Health Care Education/Training Program1447047238
- Ignacio Aguilar, RNFARegistered Nurse First Assistant1497583603
Verify Roger Ching-Feng Yang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A64345Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% fewer Medicare Part D claims than the average emergency medicine physician in 2024
160 Medicare Part D claims for 122 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 23 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen14 claims
- Methylprednisolone14 claims
- Cephalexin13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $5,329.65
19 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Exer Medical CorporationCalabasas, CA
- Hmh Emergency Medical Group, Inc.Pasadena, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roger Ching-Feng Yang among 7,751 emergency medicine physician records in California
Roger Ching-Feng Yang, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1996 · median 2011 among the 4,560 with a school on file
- Record last updated2008 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Pasadena → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Betty Ahn, MDPasadena, CA 911051902862089
- Roy Antelyes, M.D.Pasadena, CA 911051275648610
- Timothy Ballard, M.D.Pasadena, CA 911051710090816
- Bradley Gerberich, M.D.Pasadena, CA 911051790728277
- William Gregory, MDPasadena, CA 911051659337350
- Stanley Kalter, MDPasadena, CA 911051518071125
- Taline Kilaghbian, M.D.Pasadena, CA 911051699889212
- Mai Lai, MDPasadena, CA 911051841232717
Common questions
What is Roger Ching-Feng Yang, M.D.'s NPI number?
Roger Ching-Feng Yang, M.D.'s National Provider Identifier (NPI) is 1295849883, issued on Aug 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Roger Ching-Feng Yang, M.D. located?
The NPPES record lists a practice address at 100 W California Blvd, Pasadena, CA, 91105. Phone: (626) 397-3445. Providers update this record themselves, so call before visiting.
How can I verify Roger Ching-Feng Yang, M.D.'s license?
NPPES lists California license number A64345, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Roger Ching-Feng Yang, M.D. prescribe under Medicare Part D?
In 2024, Roger Ching-Feng Yang, M.D. had 160 Medicare Part D claims for 122 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.